| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 90.57 | 4 |
| 2015 | 90.66 | 4 |
| 2014 | 90.75 | 4 |
| 2013 | 90.82 | 4 |
| 2012 | 90.88 | 4 |
| 2011 | 90.92 | 4 |
| 2010 | 90.96 | 5 |
| 2009 | 90.98 | 3 |
| 2008 | 90.99 | 3 |
| 2007 | 90.99 | 3 |
| 2006 | 90.98 | 3 |
| 2005 | 90.96 | 4 |
| 2004 | 90.93 | 3 |
| 2003 | 90.9 | 3 |
| 2002 | 90.86 | 3 |
| 2001 | 90.83 | 3 |
| 2000 | 90.8 | 6 |
| 1999 | 90.8 | 6 |
| 1998 | 90.79 | 7 |
| 1997 | 90.79 | 8 |
| 1996 | 90.79 | 8 |
| 1995 | 90.78 | 9 |
| 1994 | 90.79 | 8 |
| 1993 | 90.81 | 9 |
| 1992 | 90.82 | 9 |
| 1991 | 90.82 | 10 |
| 1990 | 91.11 | 8 |